def fun(c=10, *args, **kwargs):
    # print("a=", a)
    # print("b=", b)
    print("c=", c)
    # print("args=", args[0])
    # print("args=", args[1])
    print("args=", args)
    print("kwargs=", kwargs)
    print("kwargs=", kwargs["k"])


# fun(1, 2, 3, k=10)
fun(a=1, b=2, c=3, k=10)
